package cmd

import (
	"fmt"
	"github.com/mitchellh/go-homedir"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"
	"os"
)

var cfgFile string

//rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
	Use:   "scaffold",
	Short: "A brief description of your application",
	Long: `A longer description that spans multiple lines and likely contains
examples and usage of using your application. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.`,
	// Uncomment the following line if your bare application
	// has an action associated with it:
	//	Run: func(cmd *cobra.Command, args []string) { },
}

func Execute() {
	if err := rootCmd.Execute(); err != nil {
		fmt.Println(err)
		os.Exit(1)
	}
}
func init() {
	cobra.OnInitialize(initConfig)
	// Here you will define your
	// flags and configuation settings
	// cobra supports
	//
	rootCmd.PersistentFlags().StringVar(&cfgFile, "confg", "", "config file (default is $HOME/.scaffold.yaml)")
	// Cobra also supports local flags which will only run when this action is called directly
	rootCmd.Flags().BoolP("toggle", "t", false, "help message for toggle")
}
func initConfig() {
	if cfgFile != "" {
		//use Config file from the flag.
		viper.SetConfigFile(cfgFile)
	} else {
		//find home directory.
		home, err := homedir.Dir()
		if err != nil {
			fmt.Println(err)
			os.Exit(1)
		}
		//search config in home directory
		// with .sin 后缀
		viper.AddConfigPath(home)
		viper.SetConfigName(".sin")
	}
	viper.AutomaticEnv()
	if err := viper.ReadInConfig(); err == nil {
		fmt.Println("Using config file:", viper.ConfigFileUsed())
	}
}
